196353658490880 has 832 divisors, whose sum is σ = 723208442664960. Its totient is φ = 45019378483200.

The previous prime is 196353658490779. The next prime is 196353658490909. The reversal of 196353658490880 is 88094856353691.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1383373515 + ... + 1383515445.

Almost surely, 2^{196353658490880} is an apocalyptic number.

196353658490880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196353658490880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361604221332480).

196353658490880 is an abundant number, since it is smaller than the sum of its proper divisors (526854784174080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196353658490880 is a wasteful number, since it uses less digits than its factorization.

196353658490880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142086 (or 142064 counting only the distinct ones).

The product of its (nonzero) digits is 1343692800, while the sum is 75.

The spelling of 196353658490880 in words is "one hundred ninety-six trillion, three hundred fifty-three billion, six hundred fifty-eight million, four hundred ninety thousand, eight hundred eighty".